<?xml version="1.0"?><!-- Copyright (c) 2001, 2002, 2003 Steven Knight Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.--><!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN""http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd"[ <!ENTITY % scons SYSTEM "scons.mod"> %scons;
<!ENTITY abstract SYSTEM "abstract.xml"><!ENTITY acks SYSTEM "acks.xml"><!ENTITY copyright SYSTEM "copyright.xml"><!ENTITY design SYSTEM "design.xml"><!ENTITY future SYSTEM "future.xml"><!ENTITY install SYSTEM "install.xml"><!ENTITY intro SYSTEM "intro.xml"><!ENTITY process SYSTEM "process.xml">]>
<article><articleinfo><title>SCons Design and Implementation</title><author><firstname>Steven</firstname><surname>Knight</surname></author><copyright><year>2001</year><year>2002</year><holder>Steven Knight</holder></copyright><pubdate>2002</pubdate><confgroup><confdates>4-7 February 2002</confdates><conftitle>The Tenth International Python Conference</conftitle><address>Alexandria, Virginia</address></confgroup><revhistory><revision><revnumber>0.2</revnumber><date>16 December 2001</date><revremark>Internal re-review.</revremark></revision><revision><revnumber>0.1</revnumber><date>8 October 2001</date><revremark>Submitted for Python10 conference.</revremark></revision></revhistory></articleinfo><abstract>&abstract;</abstract><sectionid="sect-intro"><title>Introduction</title>&intro;</section><sectionid="sect-design"><title>Architecture</title>&design;</section><sectionid="sect-install"><title>Installation</title>&install;</section><sectionid="sect-process"><title>Development Process</title>&process;</section><sectionid="sect-future"><title>Future Directions</title>&future;</section><sectionid="sect-summary"><title>Summary</title><para> This paper has introduced &SCons;, a next-generation build tool
with a modular, embeddable architecture and a direct Python
interface. &SCons; has a global view of the dependencies in a source
tree, uses MD5 signatures to decide if derived files are out of date,
and automatically scans files for dependencies, all of which make &SCons; builds exceptionally reliable. The &SCons; development methodology has
been described, notable for its emphasis on automated regression
testing to ensure a robust and reliable tool from day one. Several
future directions for &SCons; have also been discussed.
</para></section><sectionid="sect-acks"><title>Acknowledgements</title>&acks;</section><!-- <section id="sect-refs"> <title>References</title> <para> </para> </section> --><bibliographyid="sect-refs"><title>References</title><biblioentry><abbrev>1</abbrev><authorgroup><author><firstname>Stuart I.</firstname><surname>Feldman</surname></author></authorgroup><copyright><year>Aug 1978</year></copyright><publisher><publishername>Bell Laboratories</publishername></publisher><title>Make - A Program for Maintaining Computer Programs</title></biblioentry><biblioentry><abbrev>2</abbrev><authorgroup><author><firstname>Peter</firstname><surname>Miller</surname></author></authorgroup><copyright><year>1997</year><holder>Peter Miller</holder></copyright><title>Recursive Make Considered Harmful</title><!--http://www.pcug.org.au/~millerp/rmch/recu-make-cons-harm.html--></biblioentry><biblioentry><abbrev>3</abbrev><authorgroup><author><firstname>Andrew</firstname><surname>Oram</surname></author><author><firstname>Steve</firstname><surname>Talbott</surname></author></authorgroup><copyright><year>1986</year><year>1991</year><holder>O'Reilly &amp; Associates, Inc.</holder></copyright><publisher><publishername>O'Reilly &amp; Associates, Inc.</publishername></publisher><title>Managing Projects with Make, 2nd Ed.</title></biblioentry><biblioentry><abbrev>4</abbrev><authorgroup><author><firstname>Richard M.</firstname><surname>Stallman</surname></author><author><firstname>Roland</firstname><surname>McGrath</surname></author></authorgroup><copyright><year>1988</year><year>'89</year><year>'90</year><year>'91</year><year>'92</year><year>'93</year><year>'94</year><year>'95</year><year>'96</year><year>'97</year><year>'98</year><year>'99</year><year>2000</year><holder>Free Software Foundation, Inc.</holder></copyright><publisher><publishername>Free Software Foundation, Inc.</publishername></publisher><title>GNU Make</title><subtitle>A Program for Directing Recompilation</subtitle></biblioentry></bibliography></article>